Which to use
“looser” is an adjective and “louse” is a noun - they look or sound alike but fill different roles in a sentence.
- #29,352
- “looser” frequency rank
- #47,167
- “louse” frequency rank
- 76519
- confusion score
Side-by-Side Comparison
| Feature | looser | louse |
|---|---|---|
| Definition | comparative form of loose: more loose | A small parasitic wingless insect of the order Psocodea. |
Where the spellings diverge
Shared letters are muted; the letters that actually set looser and louse apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: looser is /ˈluːsə/ while louse is /laʊs/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 76519, derived from the frequency rank of both members and their visual similarity.
looser is recorded at frequency rank #29,352, classified as anadj, pronounced /ˈluːsə/. louse is at rank #47,167, tagged as anoun, pronounced /laʊs/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 76519, this pair ranks #29,876 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of looser vs louse
Shared letters: elos. Private to "looser": r. Private to "louse": u.
"looser" · 6 letters · shape CVVCVC · "louse" · 5 letters · shape CVVCV
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "looser" and "louse" be used interchangeably?
Which is more common, "looser" or "louse"?
Remembering looser vs louse
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “looser”; for a noun, it's “louse”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “looser” entry
- Browse more pairs most likely to be confused. Most confusable